High chromium alloyed mini-balls
Detailed Product Description
product specification
| Φ8 | Φ10 | Φ12 | Φ15 | Φ17 | Φ20 | Φ25 | Φ30 |
| Φ40 | Φ50 | Φ60 | Φ70 | Φ80 | Φ90 | Φ100 | Φ110 |
chemical Composition(%)
| Name | Desig-nation | Chemical Composition | |||||||
| C | Si | Mn | Cr | P | S | MO | Al | ||
| Popular Grade | ZQCr10 | 1.8-3.2 | 0.3-1.2 | 0.3-1.0 | 10.5-13 | ≤0.10 | ≤0.1 | min | min |
| Cu | Ni | Nb | Ti | Zr | V | B | Mg | ||
| min | min | min | min | min | min | min | min | ||
| Special Grade | ZQCr20 | 2.0-2.7 | ≤1.0 | ≤2.5 | 22-28 | ≤0.10 | ≤0.08 | ≤1.0 | |
| ZQCr26 | 2.0-2.7 | ≤1.0 | ≤2.5 | 18-22 | ≤0.01 | ≤0.08 | ≤1.5 | ||
| ZQCr17 | 2.0-3.0 | ≤1.0 | ≤2.5 | 15-18 | ≤0.10 | ≤0.08 | ≤1.5 | ||
| ZQCr13 | 1.7-3.0 | ≤1.0 | ≤2.5 | 11-15 | ≤0.10 | ≤0.08 | ≤1.5 | ||
Propecties and Microstructure
| Name | Designation | Hardness(HRC) | AK(j/cm2) | Microsture | Times of Falling Balls | |
| Yes(A) | NO(A) | |||||
Hight Chromium | ZQCr26 | ≥56 | ≥45 | ≥4.0 | M+C | ≥10000 |
| ZQCr20 | ≥56 | ≥45 | ≥4.0 | ≥10000 | ||
| ZQCr17 | ≥56 | ≥45 | ≥4.0 | ≥10000 | ||
| High Chromium Cast Grinding Balls | ZQCr12 | ≥56 | ≥45 | ≥4.0 | ≥10000 | |
| M-martensite C-carbide | ||||||
